Granted Patent
Utility
US 4,813,657 · App. 07/112,951
Cutting apparatus clamp device and method of using same
Inventor:
Thomas W. Todd
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Oct 26, 1987
Inventor
Thomas W. Todd
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.